﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;

namespace Cxj.WPF
{
    /// <summary>
    /// DispatcherWindow.xaml 的交互逻辑
    /// </summary>
    public partial class DispatcherWindow : Window
    {
        public DispatcherWindow()
        {
            InitializeComponent();
        }

        private void Button_Click(object sender, RoutedEventArgs e)
        {
            Task.Run(async () =>
            {
                try
                {
                    var value = 200;
                    await Task.Delay(2000);// 请求WebApi
                                           // 给TextBox赋值 
                    this.Dispatcher.Invoke(new Action(() =>
                    {
                        this.tb.Text = value.ToString();
                    }));
                }
                catch (Exception ex)
                {

                }
            });
        }
    }
}
